Eyeglasses.



PATENTE'D FEB. 25,1900.

W. L. 'BEMIS.

' EYEGLASSES.

APPLICATION FILED AUG-1. 1907.

951300 WWI/1421 1 UNITEDSTATES T NT OFF-1GB:

WALLACE jL. BEMIS, or BnocKToN, MAssAenUsE'rTs.

EYEGLASSES.

g Specification .o Letters Patent *Patented Feb.25,1908.

Applicetibnfiled Au ust-{1. 1907. Serial in. 386 .693.

To all may jconcemr v 1- Be it known that I, WALLACE L. BEMIS, a: citizen of the United States, residing at- Brockton, inthe county of Plymouth and 'State of Massachusetts, hhveinvented'eertain new and useful Improvements ih'Eyeglasses, of which the. following is a specification,reference being had to the accompany ing drawing.

My invention relates to improvements in eyeglasses and particularly to improvements in the spring porti n thereof; and an objectofmy invention is to provide an eyeglass spring which will allow of the readyadjusta ment of the-lensestowards and from each other, the ready adjustment ofthe bridge or :in adjustment any substantial distancewith- V the stud.

out so deforming the coil as to make it lose its resiliency. Again, where the coils are in" the form of a cylindrical helix, the stud must be lon in order to carry the lowermost coil away from the. convex portion of the lens at the inner end of its horizontal axis; and

as is well known-to all skilled in this art, the

use of a long stud is most objectionable in those cases where the pupillary distance is narrow.

In the drawings illustrating the principle of my invention and the best mode now known to me of applying that principle, Figure 1 is a plan view of aoair of eyeglasses fitted with my new-spring; Fig. 2' is a section on line AA of Fig. 1; Fig. 3 is a perspective view of my new spring and Fig. 4 is a front view of a pair of eyeglassesfitted with my new spring, one stud being shown in section.

To each lens a is secured a strap b-provided with the usual stud .c inwhich is secured a nose-guard (Z by means of the screw 6. The latter also secures the end f of the spring in The bridge or bow part 5] of the spring is shaped to fit the. nose of the wearer of the glasses, and its ends are bent to form a turn or coil h' of a cylindrical helix. The

lower end of the coil h is now extended to the rear and then to the front to form an elongated 'coil or loop '5', the front end of which is bentinwardly and then downwardl ,trminatin in the portion f heretofore re'fierred to. The e ongated-loop permits the lenses a to be moved toward and fromeach'other withoutany sacrifice of resiliency-or spring. action in the coil. -,Further, where the bridge gniust be moved a substantial distance, as in case there is a-hump upon the wearers nose, the bridge part 9 may be fitted to such a nose bybending the portion 7'- ofthe elongated coil-t about the point k,,.(as is indicated'by the issdotted lines in Fig. 2).. 7 It-.willbe obvious to 1 all skilled in this art that. the spring will lose none ofitsresiliency byjsuch movement of "the part 7'; whereas, when the coils of a cylindrical helix'are extended-to adjust-the bridge part, the helix'isldeformed and loses its spring action.- It will be noted that'thesidem'of the eloncoil h. This permits the use of a shorter gated coil lies well within the outside'n of the stud; for, the wider coil-his raised up where the curved edge of the glasses .riecede fromthe coil; andwere two similar coils it used, it is obvious that itheconvex edge 0 of the glasses would strike .the lower coil and require the use of a longer studthan is. necessary with the elongated loop i, which allows an interval p .between its outer sidem-and the opposit curved edge 0 of the glasses and thereby permitsv the use of a shorter stud.

It will be obvious to all skilled .in this art that lowering the lensesa will be. equivalent 'to raising the bridge part 9, the'object being.

to alter the relative position of'the bridge partgand the lenses.

Iclaimzf V I; 1. .In eyeglasses, an eyeglass spring having a bow part shaped to fit the nose of the wearer; the ends of said how part .beingeach woundinto a turn of-a helical coil-and then into an elongated loop which extends to the. 'rearof said coil; said bow part and helicah turn being susceptible of being raised and lowered about therear bend of said elongated loop for adjustment of the bow part without deformation of said turn or change of rela tive position of said bow part and turn. v

2; In-eyeglasses, an eyeglass spring having a bow part shaped to fit the nose of the wearer; the ends of said bow part being each wound into a turn of a helical coil and then rear of said coil; the outside of said 100p lying d In witness whereof I have hereunto set well Within the outside of said coil and said my hand at said Brockton this twenty-fifth 10 bow part and helical turn being susceptible day of July, 1907, in the presence of the two of being raised-and-lowered about the rear undersigned Witnesses.

5 bend of said elongated loop for adjustment WALLACE L. BEMIS.

of the bow part Without deformation of said Witnesses: turn or change of relative position of said F. H MERRILL, bow part and turn. BERTHA M. SMITH. 

